#66C58D#66C58D

#66C58D is a light, vivid green. Relative luminance 0.447; OKLCH L 75.0% C 0.122 H 156.0°. Best body text is #000000 at 9.94:1 contrast (WCAG AA passes).

Color values

HEX#66C58D
RGBrgb(102, 197, 141)
HSLhsl(145, 45%, 59%)
HSVhsv(145, 48%, 77%)
CMYKcmyk(48.2%, 0%, 28.4%, 22.7%)
CIE-LABlab(72.68, -40.86, 19.61)
CIE-LCHlch(72.68, 45.32, 154.36°)
OKLaboklab(75.01% -0.1118 0.0498)
OKLCHoklch(75.01% 0.122 156)
XYZxyz(30.2512, 44.6780, 32.2237)
Luminance0.4468 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66C58D #C5669E
analogous
#6EC566 #66C58D #66C5BD
triadic
#66C58D #8D66C5 #C58D66
tetradic
#66C58D #666EC5 #C5669E #C5BD66
square
#66C58D #666EC5 #C5669E #C5BD66
split-complementary
#66C58D #BD66C5 #C5666E
monochromatic
#318051 #41AC6D #66C58D #92D6AE #BFE7CF

Accessibility & contrast

On white

2.11
#66C58D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.94
#66C58D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C58D
9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66C58D#FFFFFF#000000##000000
##66C58D1.002.119.949.94
#FFFFFF2.111.0021.0021.00
#0000009.9421.001.001.00
##0000009.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#C4B88A
Deuteranopia (green-blind)
#B6AE90
Tritanopia (blue-blind)
#4EC3B6
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #66c58d;
/* rgb */ color: rgb(102, 197, 141);
/* oklch */ color: oklch(75.0% 0.122 156.0);
Tailwind
colors: {
  custom: {
    50: '#97d7ae',
    500: '#66c58d',
    950: '#000000',
  },
}
SCSS
$custom: #66c58d;
$custom-light: #97d7ae;
$custom-dark: #000000;
JSON
{
  "hex": "#66c58d",
  "rgb": {
    "r": 102,
    "g": 197,
    "b": 141
  },
  "hsl": {
    "h": 144.632,
    "s": 45.024,
    "l": 58.627
  },
  "oklch": {
    "l": 0.75013,
    "c": 0.12243,
    "h": 156
  },
  "luminance": 0.4468
}

Semantic roles & 50–950 ramp

primary
#66C58D
secondary
#D6B1C7
accent
#539FD5
background
#F9FDFA
surface
#F2FAF4
border
#CCD3CE
text
#0E1410
muted
#7E837F

Preview Lab

Preview with #66C58D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#66C58D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva